After the fortification at Benfleet had been demolished
Persons associated with this Event:
Agent:
Sigefrith 8
(Pirate from the land of the Northumbrians, fl. 863) : Sigefrith 8 came from the land of the Northumbrians with a large fleet (Anonymi 2570) and twice harried the coast in a single expedition. He then sailed back to his own land.